Home / 66,514,880.60-99,697,671.30-28,169,869.40

Finding the Fourth Proportional to 66,514,880.60, 99,697,671.30 and 28,169,869.40

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Solution

The fourth proportional to 66,514,880.60, 99,697,671.30 and 28,169,869.40 is: 42,223,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514,880.60 : 99,697,671.30 = 28,169,869.40 : x
  2. Step 2: Convert to fraction form
    66,514,880.60/99,697,671.30 = 28,169,869.40/x
  3. Step 3: Cross multiply
    66,514,880.60x = 99,697,671.30 × 28,169,869.40
  4. Step 4: Simplify right side
    66,514,880.60x = 2,808,470,380,005,128
  5. Step 5: Solve for x
    x = 2,808,470,380,005,128/66,514,880.60
  6. Step 6: Final answer
    x = 42,223,189.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.